【宇宙飞行】印书馆北京.pdf
科技英語俗讀物 宇宙飞行 北京航空学院外語教研室 商务印书館 1962年北京
CONTENTS 1.THEATOMANDITSNUCLEUS 2.MAMMOTH ATOMIC PLANT IN THE URAIS 3.THEATOMIOFLAGSHIPOFTHEPOLARFLEET.SCIENTIFIOLINKSINANTAROTIO 11 5.RADIOACTIVEELEMENTS.MODERNMIRAOLES -18 7.ROCKETDEVELOPMENT8.MISSILECATEGORIES9.SOVIETROCKETFLIESROUNDMOON10.
1.THEATOMANDITSNUCLEUS Mostpeoplearefamiliarwitb1theideathatthe chemicalelements² whichconstitatethematter of.tho universe,are made up of3 partioles oalled atoms and that anatom isthesmallestrecognizablepartiole.of an ele- ment. 